Be Cool Rechargeable Folding Fan: What is it? A h&-held fan that keeps you cool wherever you are. Easily charge it through any USB (Universal Serial Bus) port. About the product Ideal for hot summer days or trips away, this clever little fan has three modes, giving you a cool breeze for 90 mins on the low mode, 60 mins on the middle one & 45 mins on high. Simply put it into any USB (Universal Serial Bus) port to charge it in 50 mins. Then fold it in half to pop it in your bag. How is it powered? By plugging it into a USB (Universal Serial Bus) port. Why you should buy it It's something you're never going to regret buying: a handy, portable fan you can recharge is always going to be so useful. Shop it now!